The HJ-150 pocket scale is suitable to carry with you anywhere in your pocket, bag or briefcase (unit weighs just 100g). High weighing resolution (150 x 0.1g or 5.29 x 0.01 oz). Features include: Selectable Weight Unit (grams or ounces), One-Touch Tare Function, Standard Battery Operation (2 AAA batteries included), and Large LCD Display with Backlight Function. One-Touch Calibration with Standard Calibration Mass of 100g (included). Comes with protective cover.